Well, I can see that you like olsen sisters very much, they are quite famous in American film industry. So, as you can see, both of them would like to wear sunglasses in public on a regular basis, and what they frequently wear is called aviator sunglasses, which is quite popular amongst celebrities. You could find a lot of them at nearly every large optical stores, such as Lenscrafters or Alibaba.
Olsen twins wear round sunglasses in many occasions. We may guess that olsen twins are the loyal fans for round sunglasses. The round sunglasses are not old-style, because they get a good image by wearing round sunglasses. There are so many different options available for round sunglasses, you can choose what you like.
Well, Alibaba.com is a B2B e-commerce company. f you put round glasses on alibaba, you can almost find 2,219 products which are similar with Olsen sisters wore. For instance, 2012 hot classic style round frame sunglasses which only needs US $0.6 - 0.9 / piece, custom wayfarer sunglasses which costs US $12 - 60 / dozen and ban sunglasses, eyewear sunglasses, round sunglasses which needs US $4.95 - 12. Alibaba is one of the biggest retailers in the world and you can almost find everything on it. Meanwhile, great customer service and after-sale service also the big factor that make it much famous than other outlets retailers.